Finding the Fourth Proportional to 5,615,363.21, 7,749,206.28 and 3,037,043.97
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Solution
The fourth proportional to 5,615,363.21, 7,749,206.28 and 3,037,043.97 is: 4,191,123.41
Step by Step Solution
- Step 1: Write the proportion equation
5,615,363.21 : 7,749,206.28 = 3,037,043.97 : x - Step 2: Convert to fraction form
5,615,363.21/7,749,206.28 = 3,037,043.97/x - Step 3: Cross multiply
5,615,363.21x = 7,749,206.28 × 3,037,043.97 - Step 4: Simplify right side
5,615,363.21x = 23,534,680,204,960.13 - Step 5: Solve for x
x = 23,534,680,204,960.13/5,615,363.21 - Step 6: Final answer
x = 4,191,123.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.